Peak Rt (min)
(nm)Pseudomolecular ion [M-H]ā (m/z ) MS2 (m/z ) Tentative identification 1 4.96 276 783 481 (10), 301 (41) Pedunculagin isomer (bis-HHDP-glucose) 2 5.79 268 783 481 (6), 301 (45) Pedunculagin isomer (bis-HHDP-glucose) 3 7.06 272 633 463 (17), 301 (100) Galloyl-HHDP-glucose 4 7.67 274 937 637 (15), 467 (2), 301 (4) Trigalloyl-HHDP-glucose 5 8.02 278 289 245 (91), 203 (60), 137 (38) (+)-Catechin 6 13.77 276 939 631 (31), 469 (66), 169 (100) Pentagalloyl glucose 7 14.92 276 935 633 (15), 301 (18) Galloyl-bis-HHDP-glucose 8 15.25 274 933
915 (5), 633 (8), 451 (24), 301 (7) Castalagin/vescalagin 9 15.46 278 907 767 (3), 607 (24), 467 (35), 169 (5) Galloyl-HHDP derivative 10 16.13 274 937 767 (2), 637 (8), 467 (68), 301 (10) Trigalloyl-HHDP-glucoside 11 16.65 358 493 317 (100) Myricetin O -glucuronide 12 17.07 350 479 317 (100) Myricetin 3-O -glucoside 13 17.30 274 937 767 (2), 637 (5), 467 (58), 301 (7) Trigalloyl-HHDP-glucoside 14 19.89 356 609 301 (100) Quecetin 3-O -rutinoside 15 20.64 356 477 301 (100) Quercetin 3-O -glucuronide 16 20.86 356 463 301 (100) Quercetin 3-O -glucoside 17 21.30 356 463 301 (100) Quercetin O -hexoside 18 23.54 350 593 285 (100) Kaempferol 3-O -rutinoside 19 24.05 354 433 301 (100) Quercetin O -pentoside 20 24.46 268 907 767 (3), 607 (23), 467 (67), 169 (7) Galloyl-HHDP derivative 21 25.11 348 477 285 (100) Kaempferol 3-O -glucoside 22 26.00 354 477 315 (100) Isorhamnetin O -hexoside 23 26.25 354 491 315 (100) Isorhamnetin O -glucuronide 24 27.71 274 907 767 (2), 607 (27), 467 (76), 169 (8) Galloyl-HHDP derivative 25 29.87 250/368 343 328 (97), 313 (100), 298 (36) Tri-O -methylellagic acid 26 32.38 358 609 463 (76), 301 (40) Quercetin O -rhamnosyl hexoside 27 33.13 356 519 477 (5), 315 (77) Isorhamnetin O -acetylhexoside
